using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Extensometer.WinForm
{
    public class PathGetPmgImageClass
    {
        private static List<Bitmap> Bitmaps = new List<Bitmap>();
        //private static List<FileInfo> GetFile = new List<FileInfo>();
        public List<Bitmap> GetBitmaps(string Path)
        {
            getdir(Path);
            return Bitmaps;
        }
        private static void getdir(string Path)
        {
            try
            {
                string extName = ".bmp";
                string[] dir = Directory.GetDirectories(Path); //文件夹列表   
                DirectoryInfo fdir = new DirectoryInfo(Path);
                FileInfo[] file = fdir.GetFiles();
                //FileInfo[] file = Directory.GetFiles(path); //文件列表   
                if (file.Length != 0 || dir.Length != 0) //当前目录文件或文件夹不为空                   
                {
                    foreach (FileInfo f in file) //显示当前目录所有文件   
                    {
                        if (extName.ToLower().IndexOf(f.Extension.ToLower()) >= 0)
                        {
                            //GetFile.Add(f);
                            Bitmaps.Add(new Bitmap(Image.FromFile(f.FullName)));
                        }
                    }
                    foreach (string d in dir)
                    {
                        getdir(d);//递归   
                    }
                }
            }
            catch
            {
            }
        }
        private Bitmap BytesToBitmap(byte[] Bytes)
        {
            MemoryStream stream = null;
            try
            {
                stream = new MemoryStream(Bytes);
                return new System.Drawing.Bitmap((System.Drawing.Image)new System.Drawing.Bitmap(stream));
            }
            catch (ArgumentNullException ex)
            {
                throw ex;
            }
            catch (ArgumentException ex)
            {
                throw ex;
            }
            finally
            {
                stream.Close();
            }
        }
        private byte[] BitmapToBytes(Bitmap bitmap)
        {
            byte[] _imgData = null;
            using (MemoryStream ms = new MemoryStream())
            {
                bitmap.Save(ms, ImageFormat.Bmp);
                _imgData = new byte[ms.Length];
                ms.Seek(0, SeekOrigin.Begin);
                ms.Read(_imgData, 0, Convert.ToInt32(ms.Length));
            }
            return _imgData;
        }
    }
}